<template>
  <div class="icons">
    <swiper :options="configure">
      <swiper-slide v-for="(page, index) of pages" :key="index">
        <div class="icon" v-for="item of page" :key="item.id">
          <div class="icon-img">
            <img :src="item.imgUrl">
          </div>
          <p>{{ item.desc }}</p>
        </div>
      </swiper-slide>
    </swiper>
  </div>
</template>

<script>
export default {
  name: 'HomeIcons',
  props: ['iconList'],
  data () {
    return {
      configure: {
        autoplay: false
      }
    }
  },
  computed: {
    // 计算页数
    pages () {
      const pages = []
      this.iconList.forEach((item, index) => {
        const page = Math.floor(index / 8)
        if (!pages[page]) {
          pages[page] = []
        }
        pages[page].push(item)
      })
      return pages
    }
  }
}
</script>

<style lang="stylus" scoped>
@import "~styles/varibles.styl"
@import "~styles/mixins.styl"
.icons >>> .swiper-container
  width: 100%
  height: 0
  padding-bottom 50%
  margin-top 0.1rem
.icon
  float left
  box-sizing border-box
  overflow hidden
  position relative
  width: 25%
  height 0
  padding-bottom 25%
  text-align center
  .icon-img
    position absolute
    top:0
    left 0
    right 0
    bottom 0.44rem
    text-align center
    box-sizing border-box
    padding 0.1rem 0
    img
      height: 100%
  p
   position absolute
   left 0
   right 0
   bottom 0
   height 0.44rem
   line-height 0.44rem
   color $darkTextColor
   ellipsis()
</style>
